package com.itheima.d1_inner_class1;

public class Person {

    public int age = 40;

    public class YaoZi{
        public int age = 30;
        public void show(){
            int age = 20;
            System.out.println(age);
            System.out.println(this.age);
            System.out.println(Person.this.age);
        }
    }
}
